:root {
  --primary-color: #6366f1;
  --primary-dark: #4f46e5;
  --secondary-color: #f1f5f9;
  --accent-color: #10b981;
  --danger-color: #ef4444;
  --warning-color: #f59e0b;

  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;

  --border-color: #e2e8f0;
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --border-color: #334155;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.app-container {
  max-width: 428px;
  margin: 0 auto;
  min-height: 100vh;
  background-color: var(--bg-primary);
  position: relative;
  box-shadow: var(--shadow-lg);
}

.app-header {
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white;
  padding: 1rem;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: var(--shadow-md);
}

.header-content { display: flex; justify-content: space-between; align-items: center; }
.app-title { font-size: 1.5rem; font-weight: 700; margin: 0; }
.header-actions { display: flex; gap: 0.5rem; }

.theme-toggle, .support-btn {
  background: rgba(255, 255, 255, 0.2);
  border: none; color: white;
  width: 40px; height: 40px; border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: all 0.2s ease;
}
.theme-toggle:hover, .support-btn:hover { background: rgba(255, 255, 255, 0.3); transform: scale(1.05); }
.support-btn { background: rgba(255, 107, 107, 0.3); }
.support-btn:hover { background: rgba(255, 107, 107, 0.5); }

.main-content {
  padding: 1rem;
  padding-bottom: 100px;
  min-height: calc(100vh - 80px);
}

.content-section { display: none; animation: fadeIn 0.2s ease-in-out; }
.content-section.active { display: block; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.section-header h2 { font-size: 1.75rem; font-weight: 700; color: var(--text-primary); }

.section-stats {
  background: var(--bg-secondary); padding: 0.5rem 1rem;
  border-radius: var(--radius-lg); font-size: 0.875rem; color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.about-content { display: flex; flex-direction: column; gap: 1.5rem; }

.feature-card {
  background: var(--bg-secondary); padding: 1.5rem;
  border-radius: var(--radius-xl); border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}
.feature-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }

.feature-icon {
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  color: white; font-size: 1.25rem; margin-bottom: 1rem;
}

.author-info {
  background: linear-gradient(135deg, var(--accent-color), #059669);
  color: white;
  padding: 1.5rem;
  border-radius: var(--radius-xl);
  text-align: center;
  box-shadow: var(--shadow-md);
}
.author-info h3 { margin-bottom: 0.75rem; font-size: 1.25rem; }
.author-info p { margin-bottom: 1rem; opacity: 0.95; }

.author-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: white;
  text-decoration: none;
  background: rgba(255, 255, 255, 0.2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-lg);
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid rgba(255, 255, 255, 0.25);
}
.author-link:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.mode-help {
  font-size: 12px;
  color: var(--text-secondary);
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 8px 12px;
  line-height: 1.5;
  margin-bottom: 10px;
}

.levels-grid {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1rem; margin-bottom: 2rem;
}
.level-card {
  background: var(--bg-secondary); padding: 1.5rem; border-radius: var(--radius-xl);
  border: 1px solid var(--border-color); text-align: center; cursor: pointer;
  transition: all 0.2s ease; position: relative; overflow: hidden;
}
.level-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.level-card::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary-color), var(--accent-color)); }

.level-badge { display: inline-block; padding: 0.5rem 1rem; border-radius: var(--radius-lg); font-weight: 700; font-size: 0.875rem; margin-bottom: 0.75rem; color: white; }
.level-badge.beginner { background: #10b981; }
.level-badge.elementary { background: #3b82f6; }
.level-badge.intermediate { background: #8b5cf6; }
.level-badge.upper-intermediate { background: #f59e0b; }
.level-badge.advanced { background: #ef4444; }
.level-badge.proficiency { background: #6366f1; }

.level-stats { display: flex; justify-content: center; }
.word-count {
  background: var(--bg-tertiary); padding: 0.25rem 0.75rem; border-radius: var(--radius-md);
  font-size: 0.75rem; color: var(--text-secondary); border: 1px solid var(--border-color);
}

.words-container { margin-top: 2rem; }
.words-container.hidden { display: none; }
.words-header { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; }
.level-bulk-actions { margin-left: auto; display: flex; gap: 0.5rem; }

.back-btn {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  color: var(--text-primary); padding: 0.75rem; border-radius: var(--radius-lg);
  display: flex; align-items: center; gap: 0.5rem; cursor: pointer; transition: all 0.2s ease; font-size: 0.875rem;
}
.back-btn:hover { background: var(--bg-tertiary); transform: translateX(-2px); }

.words-list { display: flex; flex-direction: column; gap: 0.75rem; }
.word-card {
  background: var(--bg-secondary); border: 1px solid var(--border-color);
  border-radius: var(--radius-lg); padding: 1rem; transition: all 0.2s ease;
}
.word-card:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }

.word-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.word-text { font-size: 1.125rem; font-weight: 600; color: var(--text-primary); }
.word-actions { display: flex; gap: 0.5rem; }

.action-btn { width: 36px; height: 36px; border: none; border-radius: var(--radius-md); display: flex; align-items: center; justify-content: center; cursor: pointer; transition: all 0.2s ease; font-size: 0.875rem; }
.play-btn { background: var(--primary-color); color: white; }
.play-btn:hover { background: var(--primary-dark); transform: scale(1.05); }
.add-btn { background: var(--accent-color); color: white; }
.add-btn:hover { background: #059669; transform: scale(1.05); }
.remove-btn { background: var(--danger-color); color: white; }
.remove-btn:hover { background: #dc2626; transform: scale(1.05); }

.word-translation { color: var(--text-secondary); font-size: 0.875rem; }
.word-level { display: inline-block; background: var(--bg-tertiary); color: var(--text-muted); padding: 0.25rem 0.5rem; border-radius: var(--radius-sm); font-size: 0.75rem; margin-top: 0.5rem; }

.add-word-form {
  background: var(--bg-secondary); padding: 1.5rem; border-radius: var(--radius-xl);
  border: 1px solid var(--border-color); margin-bottom: 2rem;
}
.form-group { margin-bottom: 1rem; }
.form-group label { display: block; margin-bottom: 0.5rem; font-weight: 500; color: var(--text-primary); }
.form-group input, .form-group select {
  width: 100%; padding: 0.75rem; border: 1px solid var(--border-color); border-radius: var(--radius-md);
  background: var(--bg-primary); color: var(--text-primary); font-size: 1rem; transition: all 0.2s ease;
}
.form-group input:focus, .form-group select:focus {
  outline: none; border-color: var(--primary-color); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}
.add-word-btn {
  width: 100%; background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
  color: white; border: none; padding: 0.875rem; border-radius: var(--radius-lg);
  font-size: 1rem; font-weight: 600; cursor: pointer; transition: all 0.2s ease; display: flex; align-items: center; justify-content: center; gap: 0.5rem;
}
.add-word-btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-lg); }

.empty-state { text-align: center; padding: 3rem 1rem; color: var(--text-muted); }
.empty-state i { font-size: 3rem; margin-bottom: 1rem; opacity: 0.5; }
.empty-state h3 { font-size: 1.25rem; margin-bottom: 0.5rem; color: var(--text-secondary); }
.empty-state p { font-size: 0.875rem; }

.bottom-nav {
  position: fixed; bottom: 0; left: 50%; transform: translateX(-50%);
  width: 100%; max-width: 428px; background: var(--bg-primary);
  border-top: 1px solid var(--border-color); display: flex; padding: 0.75rem; gap: 0.5rem;
  box-shadow: 0 -4px 6px -1px rgb(0 0 0 / 0.1); z-index: 10000; pointer-events: auto;
}
.nav-item {
  flex: 1; background: none; border: none; color: var(--text-muted);
  padding: 0.75rem 0.5rem; border-radius: var(--radius-lg); cursor: pointer;
  transition: all 0.2s ease; display: flex; flex-direction: column; align-items: center;
  gap: 0.25rem; font-size: 0.75rem; font-weight: 500; pointer-events: auto;
}
.nav-item i { font-size: 1.25rem; }
.nav-item.active { background: var(--primary-color); color: white; }
.nav-item:not(.active):hover { background: var(--bg-secondary); color: var(--text-primary); }

@media (max-width: 480px) {
  .app-container { max-width: 100%; }
  .levels-grid { grid-template-columns: repeat(2, 1fr); }
  .nav-item span { font-size: 0.625rem; }
}

.hidden { display: none !important; }
.text-center { text-align: center; }
.mt-1 { margin-top: 0.25rem; } .mt-2 { margin-top: 0.5rem; } .mt-3 { margin-top: 0.75rem; } .mt-4 { margin-top: 1rem; }
.mb-1 { margin-bottom: 0.25rem; } .mb-2 { margin-bottom: 0.5rem; } .mb-3 { margin-bottom: 0.75rem; } .mb-4 { margin-bottom: 1rem; }

.review-container { max-width: 600px; margin: 0 auto; padding: 16px; }
.review-progress { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.progress-bar { flex: 1; height: 8px; background: var(--bg-secondary); border-radius: 4px; overflow: hidden; }
.progress-fill { height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--accent-color)); transition: width 0.3s ease; }
.progress-text { font-weight: 600; color: var(--text-secondary); font-size: 14px; }

.review-card, .flashcard, .quiz-container {
  background: var(--bg-primary); border: 1px solid var(--border-color);
  border-radius: 16px; padding: 20px; box-shadow: var(--shadow-lg); margin-bottom: 20px;
}

.card-front, .card-back {
  text-align: center; display: flex; flex-direction: column;
  justify-content: center; align-items: center; height: 100%;
}

.word-display, .translation-display { margin-bottom: 24px; }

.review-word { font-size: 42px; font-weight: 700; color: var(--text-primary); margin-bottom: 10px; word-break: break-word; }
.review-translation {
  font-size: 28px; font-weight: 600; color: var(--primary-color);
  margin-bottom: 10px; background: var(--bg-secondary);
  padding: 10px 20px; border-radius: 12px; box-shadow: var(--shadow-sm);
}

.word-stats { display: flex; justify-content: center; gap: 20px; margin-top: 15px; }
.accuracy, .word-accuracy { font-size: 14px; color: var(--text-secondary); background: var(--bg-secondary); padding: 4px 12px; border-radius: 12px; }
.difficulty, .word-difficulty { font-size: 12px; padding: 4px 8px; border-radius: 8px; font-weight: 600; }
.difficulty-0 { background: #d4edda; color: #155724; }
.difficulty-1 { background: #fff3cd; color: #856404; }
.difficulty-2 { background: #f8d7da; color: #721c24; }

.card-actions { display: flex; justify-content: center; gap: 12px; margin-top: 16px; }
.answer-buttons { display: flex; justify-content: center; gap: 12px; margin-top: 16px; }

.btn { padding: 0.75rem 1rem; border-radius: var(--radius-lg); border: 1px solid var(--border-color); background: var(--bg-secondary); color: var(--text-primary); cursor: pointer; font-weight: 600; transition: all 0.2s ease; }
.btn:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.btn-primary { background: var(--primary-color); color: #fff; border-color: var(--primary-color); }
.btn-secondary { background: var(--bg-secondary); }
.btn-success { background: var(--accent-color); color: #fff; border-color: var(--accent-color); }
.btn-warning { background: var(--warning-color); color: #fff; border-color: var(--warning-color); }
.btn-danger { background: var(--danger-color); color: #fff; border-color: var(--danger-color); }

.toggles-row { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1rem; flex-wrap: wrap; }
.mode-toggle, .practice-toggle { display: inline-flex; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 9999px; padding: 4px; }
.mode-btn, .practice-btn { border: none; background: transparent; color: var(--text-secondary); padding: 8px 14px; border-radius: 9999px; cursor: pointer; font-weight: 600; }
.mode-btn.active, .practice-btn.active { background: var(--primary-color); color: #fff; }

.flashcard { overflow: hidden; }
.flashcard-image { width: 100%; height: 220px; object-fit: cover; background: var(--bg-tertiary); border-radius: 12px; margin-bottom: 12px; }
.flashcard-body { text-align: center; }
.flashcard-title { font-size: 28px; font-weight: 700; margin: 8px 0 4px; }
.flashcard-subtitle { color: var(--text-secondary); margin-bottom: 10px; }

.quiz-image { width: 100%; height: 200px; object-fit: cover; background: var(--bg-tertiary); border-radius: 12px; margin-bottom: 16px; }
.quiz-question { font-size: 22px; font-weight: 700; margin-bottom: 8px; }
.quiz-sub { color: var(--text-secondary); margin-bottom: 10px; }
.quiz-options { display: grid; gap: 10px; }
.quiz-option {
  padding: 12px; border-radius: 12px; border: 1px solid var(--border-color);
  background: var(--bg-secondary); cursor: pointer; font-weight: 600; transition: all 0.2s ease;
}
.quiz-option:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.quiz-option.correct { background: #d1fae5; border-color: #10b981; }
.quiz-option.wrong { background: #fee2e2; border-color: #ef4444; }

.progress-content { display: flex; flex-direction: column; gap: 12px; }
.progress-card { background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 16px; padding: 16px; }
.progress-row { display: flex; justify-content: space-between; align-items: center; margin-bottom: 6px; }
.progress-bar-wrap { height: 8px; background: var(--bg-tertiary); border-radius: 9999px; overflow: hidden; }
.progress-bar-fill { height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--accent-color)); width: 0; }

.learning-words-grid { display: grid; gap: 1rem; }
.learning-word-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  transition: all 0.2s ease;
  position: relative;
}
.learning-word-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.learning-word-card.learned {
  border-color: var(--accent-color);
  background: linear-gradient(135deg, var(--bg-secondary), rgba(16, 185, 129, 0.05));
}
.learning-word-card.learned::before {
  content: '✓';
  position: absolute;
  top: 1rem; right: 1rem;
  width: 24px; height: 24px;
  background: var(--accent-color); color: white;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: bold;
}

.learning-word-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 0.75rem; }
.learning-word-text { font-size: 1.25rem; font-weight: 600; color: var(--text-primary); margin-bottom: 0.25rem; }
.learning-word-translation { color: var(--text-secondary); font-size: 0.875rem; margin-bottom: 0.75rem; }
.learning-word-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.75rem; color: var(--text-muted); }

.word-progress { display: flex; align-items: center; gap: 0.5rem; }
.progress-indicator { width: 60px; height: 4px; background: var(--bg-tertiary); border-radius: 2px; overflow: hidden; }
.progress-fill-mini { height: 100%; background: linear-gradient(90deg, var(--primary-color), var(--accent-color)); transition: width 0.3s ease; }

.word-level-info { display: flex; align-items: center; gap: 8px; }
.difficulty-display.easy { color: var(--accent-color); }
.difficulty-display.medium { color: var(--warning-color); }
.difficulty-display.hard { color: var(--danger-color); }

.all-words-container { margin-top: 1rem; }
.all-words-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 1rem; padding: 0.75rem 1rem; background: var(--bg-secondary);
  border-radius: var(--radius-lg); border: 1px solid var(--border-color);
}
.all-words-title { font-size: 1.1rem; font-weight: 700; color: var(--text-primary); }

.words-filter { display: flex; gap: 0.5rem; }
.filter-btn {
  padding: 0.5rem 1rem; border: 1px solid var(--border-color);
  background: var(--bg-primary); color: var(--text-secondary);
  border-radius: var(--radius-md); font-size: 0.875rem; cursor: pointer; transition: all 0.2s ease;
}
.filter-btn.active { background: var(--primary-color); color: white; border-color: var(--primary-color); }
.filter-btn:hover:not(.active) { background: var(--bg-secondary); color: var(--text-primary); }

.play-btn:disabled { opacity: 0.7; cursor: not-allowed; }
.play-btn.playing { background: var(--accent-color); animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { transform: scale(1);} 50% { transform: scale(1.05);} }

@media (max-width: 768px) {
  .review-card { padding: 24px 16px; }
  .review-word { font-size: 32px; }
  .review-translation { font-size: 22px; }
  .answer-buttons { flex-direction: column; gap: 10px; }
  .word-stats { flex-direction: column; gap: 8px; }
}

.games-grid { display: grid; grid-template-columns: 1fr; gap: 1rem; }
.game-card { display: grid; grid-template-columns: 120px 1fr; gap: 12px; background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: 12px; box-shadow: var(--shadow-md); }
.game-cover { width: 100%; height: 100%; object-fit: cover; border-radius: var(--radius-lg); background: var(--bg-tertiary); min-height: 90px; }
.game-info h3 { margin: 0 0 6px; }
.game-info p { margin: 0 0 10px; color: var(--text-secondary); font-size: 0.9rem; }
.game-info .btn { width: 140px; }

@media (max-width: 420px) {
  .game-card { grid-template-columns: 1fr; }
  .game-cover { height: 160px; }
}

.badge { display: inline-block; border: 1px solid rgba(255,255,255,.25); padding: 1px 6px; border-radius: 6px; margin: 0 2px; font-weight: 700; color: #fff; background: rgba(255,255,255,.08); }

.review-controls { margin-top: 1rem; display: flex; flex-direction: column; gap: 0.75rem; }

.toast-container { position: fixed; top: 80px; right: 20px; z-index: 999999; display: flex; flex-direction: column; gap: 10px; max-width: 320px; }
.toast {
  background: var(--bg-secondary); border: 1px solid var(--border-color); border-radius: 12px;
  padding: 12px 16px; box-shadow: var(--shadow-lg); display: flex; align-items: center; gap: 10px;
  animation: slideIn 0.3s ease-out;
}
.toast.success { border-left: 4px solid var(--accent-color); }
.toast.warning { border-left: 4px solid var(--warning-color); }
.toast.error { border-left: 4px solid var(--danger-color); }
.toast.info { border-left: 4px solid var(--primary-color); }
@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.game-iframe-fullscreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 999998;
  background: #000;
}

.game-iframe-fullscreen iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.game-back-btn {
  position: fixed;
  top: 20px;
  left: 20px;
  z-index: 999999;
  background: var(--primary-color);
  color: white;
  border: none;
  padding: 12px 20px;
  border-radius: var(--radius-lg);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
  transition: all 0.2s ease;
}

.game-back-btn:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
}

.motivation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.motivation-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all 0.2s ease;
  box-shadow: var(--shadow-sm);
}

.motivation-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.motivation-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  background: var(--bg-tertiary);
}

.motivation-text {
  padding: 0.75rem;
  text-align: center;
  font-size: 0.875rem;
  color: var(--text-secondary);
}

.quiz-option-gate {
  padding: 12px;
  border-radius: 8px;
  border: 2px solid #e0e0e0;
  background: #f9f9f9;
  cursor: pointer;
  text-align: center;
  font-weight: 600;
  transition: all 0.2s;
}

.quiz-option-gate:hover {
  background: #f0f0f0;
  border-color: #d0d0d0;
}

.support-modal {
  position: fixed;
  inset: 0;
  z-index: 999999;
  background: rgba(0, 0, 0, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.support-modal-content {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: 2rem;
  max-width: 500px;
  width: 100%;
  box-shadow: var(--shadow-lg);
  animation: modalFadeIn 0.3s ease;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.9); }
  to { opacity: 1; transform: scale(1); }
}

.support-modal h2 {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.75rem;
}

.support-modal p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.support-modal .btn {
  width: 100%;
  margin-bottom: 0.75rem;
}

.support-modal .btn-secondary {
  background: var(--bg-secondary);
  color: var(--text-primary);
}